NCT05254496Active, not recruiting
The Dietary Guidelines 3 Diet Patterns Study (DG3D): Phase 2
Ensuring the Cultural Relevance of Dietary Guidelines Diet Patterns Among African Americans: Increasing Dietary Quality and Reducing Type 2 Diabetes Risk (Phase 2)
Source: ClinicalTrials.gov · Last updated 16 Jan 2026
Brief summary (registry, in English)
Based on the findings of our formative work, conduct a one-year intervention among African American Adults using revised culturally tailored materials to examine differences in Healthy Eating Index (HEI) and type 2 diabetes (T2DM) risk factors among participants (n=198) randomized to one of the 3 dietary patterns: 1\) Healthy U.S.-Style Eating Pattern, 2) Healthy Mediterranean-Style Eating Pattern, and 3) Healthy Vegetarian Eating Pattern.
- Status (registry)
- Active, not recruiting
- Study type
- Interventional
- Enrollment
- 198 (estimated)
- First submitted
- 23 Feb 2022
- Start date
- 4 Apr 2022
- Primary completion date
- 30 Dec 2025
- Lead sponsor
- University of South Carolina
- Diseases
- Obesity, Type 2 diabetes
- NCT number
- NCT05254496
What you commit to
- Study type: Interventional
- Planned participants: 198
- From 4 Apr 2022 to the primary completion date, 30 Dec 2025
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- no current participation in a weight loss program or taking weight loss medications (although participants may be trying to lose weight on their own)
- no recent or planned bariatric surgery
Other illness
- should be free of an eating disorder as screened by the Eating disorder Screen for Primary care \[ESP\]. (If a participant has an eating disorder, they will be given contact information for the eating disorder clinic at the University of South Carolina)
Other
- should not be pregnant (or have been pregnant in the last 6 months), anticipating on becoming pregnant in the next 12 months, or currently breastfeeding
- o Women who are pregnant should not be pursuing weight loss and should be under the direct care of a physician. Therefore women who are pregnant or who are anticipating they might be pregnant should not participate in this study. If a woman becomes pregnant during the study, she will be advised to consult with her healthcare provider and will be dropped from the weight loss study.
- no recent weight loss (\>10 lbs in the last 6 months)
Who the study is looking for
- 18-70 years of age
- BMI between 25- 49.9 kg/m2
- self-identify as African American
- live within 150 miles of the Columbia, SC area
- be able to attend all monitoring visits
- be willing to be randomized to one of the three conditions
- be free of major health or psychiatric diseases, drug or alcohol dependency, thyroid conditions, diabetes, or pregnancy
Age in the registry: 18 years to 70 years · Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| University of South Carolina Coordinator of this site? Confirm its status | Columbia | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.